Details: sub-structure clearance of site by way of removing garbage humps extracting of brushes by mechanical/manual means including removal of same from site to outside muncipal limits with roots making site workable for laying of layout for proposed bridge and removal of debries from site. boring, providing and installing bored cast-in-situ reinforced cement concrete pile of specified grade concrete mix, diameter and length below the pile cap, to carry a safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of boring with bentonite solution and temporary casing of appropriate length for setting out and removal of same and the length of the pile to be embeded in the pile cap etc. all complete including removal of excavated earth with all lifts and leads(length of pile for payment shall be measured from top of shoe to the bottom of pile cap). by percussion drilling using direct mud circulation (dmc) or bailer and chisel technique by tripod
Sector: PWD